320426168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 642816000

約数和(自身を除く): 322389832

約数列:

[1, 2, 4, 8, 31, 59, 61, 62, 118, 122, 124, 236, 244, 248, 359, 472, 488, 718, 1436, 1829, 1891, 2872, 3599, 3658, 3782, 7198, 7316, 7564, 11129, 14396, 14632, 15128, 21181, 21899, 22258, 28792, 42362, 43798, 44516, 84724, 87596, 89032, 111569, 169448, 175192, 223138, 446276, 656611, 678869, 892552, 1292041, 1313222, 1357738, 2584082, 2626444, 2715476, 5168164, 5252888, 5430952, 10336328, 40053271, 80106542, 160213084, 320426168]

約数ペア:

[(1, 320426168), (2, 160213084), (4, 80106542), (8, 40053271), (31, 10336328), (59, 5430952), (61, 5252888), (62, 5168164), (118, 2715476), (122, 2626444), (124, 2584082), (236, 1357738), (244, 1313222), (248, 1292041), (359, 892552), (472, 678869), (488, 656611), (718, 446276), (1436, 223138), (1829, 175192), (1891, 169448), (2872, 111569), (3599, 89032), (3658, 87596), (3782, 84724), (7198, 44516), (7316, 43798), (7564, 42362), (11129, 28792), (14396, 22258), (14632, 21899), (15128, 21181)]